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--- base/process/process_metrics_freebsd.cc.orig 2025-10-28 14:29:43 UTC
+++ base/process/process_metrics_freebsd.cc
@@ -3,41 +3,92 @@
// found in the LICENSE file.
#include "base/process/process_metrics.h"
+#include "base/notimplemented.h"
#include <stddef.h>
+#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <unistd.h>
+#include <fcntl.h> /* O_RDONLY */
+#include <kvm.h>
+#include <libutil.h>
+
#include "base/memory/ptr_util.h"
+#include "base/values.h"
namespace base {
+namespace {
+int GetPageShift() {
+ int pagesize = getpagesize();
+ int pageshift = 0;
-ProcessMetrics::ProcessMetrics(ProcessHandle process)
- : process_(process), last_cpu_(0) {}
+ while (pagesize > 1) {
+ pageshift++;
+ pagesize >>= 1;
+ }
+ return pageshift;
+}
+}
+
+ProcessMetrics::ProcessMetrics(ProcessHandle process) : process_(process) {}
+
// static
std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics(
ProcessHandle process) {
return WrapUnique(new ProcessMetrics(process));
}
-base::expected<double, ProcessCPUUsageError>
-ProcessMetrics::GetPlatformIndependentCPUUsage() {
- struct kinfo_proc info;
- int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_PID, process_};
- size_t length = sizeof(info);
+base::expected<ProcessMemoryInfo, ProcessUsageError>
+ProcessMetrics::GetMemoryInfo() const {
+ ProcessMemoryInfo memory_info;
+ kvm_t *kd = kvm_open(nullptr, "/dev/null", nullptr, O_RDONLY, "kvm_open");
+ struct kinfo_proc *pp;
+ int nproc;
- if (sysctl(mib, std::size(mib), &info, &length, NULL, 0) < 0) {
- return base::unexpected(ProcessCPUUsageError::kSystemError);
+ if (kd == nullptr) {
+ return base::unexpected(ProcessUsageError::kSystemError);
}
- return base::ok(double{info.ki_pctcpu} / FSCALE * 100.0);
+ if ((pp = kvm_getprocs(kd, KERN_PROC_PID, process_, &nproc)) == nullptr) {
+ kvm_close(kd);
+ return base::unexpected(ProcessUsageError::kProcessNotFound);
+ }
+
+ if (nproc > 0) {
+ memory_info.resident_set_bytes = pp->ki_rssize << GetPageShift();
+ } else {
+ kvm_close(kd);
+ return base::unexpected(ProcessUsageError::kProcessNotFound);
+ }
+
+ kvm_close(kd);
+ return memory_info;
}
base::expected<TimeDelta, ProcessCPUUsageError>
ProcessMetrics::GetCumulativeCPUUsage() {
- NOTREACHED();
+ struct kinfo_proc info;
+ size_t length = sizeof(struct kinfo_proc);
+ struct timeval tv;
+
+ int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process_ };
+
+ if (process_ == 0) {
+ return base::unexpected(ProcessCPUUsageError::kSystemError);
+ }
+
+ if (sysctl(mib, std::size(mib), &info, &length, NULL, 0) < 0) {
+ return base::unexpected(ProcessCPUUsageError::kSystemError);
+ }
+
+ if (length == 0) {
+ return base::unexpected(ProcessCPUUsageError::kProcessNotFound);
+ }
+
+ return base::ok(Microseconds(info.ki_runtime));
}
size_t GetSystemCommitCharge() {
@@ -65,5 +116,118 @@ size_t GetSystemCommitCharge() {
return mem_total - (mem_free * pagesize) - (mem_inactive * pagesize);
}
+
+int64_t GetNumberOfThreads(ProcessHandle process) {
+ // Taken from FreeBSD top (usr.bin/top/machine.c)
+
+ kvm_t* kd = kvm_open(NULL, "/dev/null", NULL, O_RDONLY, "kvm_open");
+ if (kd == NULL)
+ return 0;
+
+ struct kinfo_proc* pbase;
+ int nproc;
+ pbase = kvm_getprocs(kd, KERN_PROC_PID, process, &nproc);
+ if (pbase == NULL)
+ return 0;
+
+ if (kvm_close(kd) == -1)
+ return 0;
+
+ return nproc;
+}
+
+bool GetSystemMemoryInfo(SystemMemoryInfo *meminfo) {
+ unsigned int mem_total, mem_free, swap_total, swap_used;
+ size_t length;
+ int pagesize;
+
+ pagesize = getpagesize();
+
+ length = sizeof(mem_total);
+ if (sysctlbyname("vm.stats.vm.v_page_count", &mem_total,
+ &length, NULL, 0) != 0 || length != sizeof(mem_total))
+ return false;
+
+ length = sizeof(mem_free);
+ if (sysctlbyname("vm.stats.vm.v_free_count", &mem_free, &length, NULL, 0)
+ != 0 || length != sizeof(mem_free))
+ return false;
+
+ length = sizeof(swap_total);
+ if (sysctlbyname("vm.swap_size", &swap_total, &length, NULL, 0)
+ != 0 || length != sizeof(swap_total))
+ return false;
+
+ length = sizeof(swap_used);
+ if (sysctlbyname("vm.swap_anon_use", &swap_used, &length, NULL, 0)
+ != 0 || length != sizeof(swap_used))
+ return false;
+
+ meminfo->total = ByteCount::FromUnsigned(mem_total * pagesize);
+ meminfo->free = ByteCount::FromUnsigned(mem_free * pagesize);
+ meminfo->swap_total = ByteCount::FromUnsigned(swap_total * pagesize);
+ meminfo->swap_free = ByteCount::FromUnsigned((swap_total - swap_used) * pagesize);
+
+ return true;
+}
+
+int ProcessMetrics::GetOpenFdCount() const {
+ struct kinfo_file * kif;
+ int cnt;
+
+ if ((kif = kinfo_getfile(process_, &cnt)) == NULL)
+ return -1;
+
+ free(kif);
+
+ return cnt;
+}
+
+int ProcessMetrics::GetOpenFdSoftLimit() const {
+ size_t length;
+ int total_count = 0;
+ int mib[] = { CTL_KERN, KERN_MAXFILESPERPROC };
+
+ length = sizeof(total_count);
+
+ if (sysctl(mib, std::size(mib), &total_count, &length, NULL, 0) < 0) {
+ total_count = -1;
+ }
+
+ return total_count;
+}
+
+int ProcessMetrics::GetIdleWakeupsPerSecond() {
+ NOTIMPLEMENTED();
+ return 0;
+}
+
+bool GetSystemDiskInfo(SystemDiskInfo* diskinfo) {
+ NOTIMPLEMENTED();
+ return false;
+}
+
+bool GetVmStatInfo(VmStatInfo* vmstat) {
+ NOTIMPLEMENTED();
+ return false;
+}
+
+SystemDiskInfo::SystemDiskInfo() {
+ reads = 0;
+ reads_merged = 0;
+ sectors_read = 0;
+ read_time = 0;
+ writes = 0;
+ writes_merged = 0;
+ sectors_written = 0;
+ write_time = 0;
+ io = 0;
+ io_time = 0;
+ weighted_io_time = 0;
+}
+
+SystemDiskInfo::SystemDiskInfo(const SystemDiskInfo& other) = default;
+
+SystemDiskInfo& SystemDiskInfo::operator=(const SystemDiskInfo&) = default;
} // namespace base
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